Time zone converter
IRST to MSK
Convert Iran Time — Tehran to Moscow Time — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tehran, it's 8:30 AM in Moscow. Moscow is 0½ hours behind Tehran. Use the converter above to turn any IRST time into MSK, or scan the hour-by-hour table below for the full day.
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Iran Time — Tehran ·
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Moscow Time ·
Convert a specific timein Tehran → — in Moscow
IRST to MSK at a glance
9:00 AM IRST
8:30 AM
MSK · Moscow
12:00 PM IRST
11:30 AM
MSK · Moscow
5:00 PM IRST
4:30 PM
MSK · Moscow
Planning a meeting between Tehran and Moscow
Planning a call between Tehran and Moscow? The best overlap during a standard 9-to-5 workday runs 9:30 AM–5:00 PM IRST (9:00 AM–4:30 PM MSK). Aim for that window to reach both sides during business hours.
Hour-by-hour: Tehran to Moscow
A full day mapped from IRST to MSK.
Frequently asked
Is Moscow ahead of or behind Tehran?
Moscow is 0½ hours behind Tehran.
What is 12:00 PM IRST in MSK?
12:00 PM in Tehran is 11:30 AM in Moscow.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so IRST and MSK automatically reflect the correct daylight-saving offset for the current date.